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1999 Fiscal Year Final Research Report Summary

Host factors involved in development of poliomyelitis

Research Project

Project/Area Number 07102005
Research Category

Grant-in-Aid for Specially Promoted Research

Allocation TypeSingle-year Grants
Review Section Biological Sciences
Research InstitutionThe University of Tokyo

Principal Investigator

NOMOTO Akio  Institute of Medical Science, The University of Tokyo, Professor, 医科学研究所, 教授 (70112670)

Project Period (FY) 1995 – 1999
Keywordspoliovirus / mouse model / poliovirus receptor / pathogenesis / dissemination / IRES / axonal transport / host
Research Abstract

Poliovirus (PV) infection induced change in patterns of two-dimensional gel electrophoresis of total proteins of HeLa cells. Identification of proteins of these spots is now being investigated.
To support our idea of "IRES (internal ribosome entry site)-dependent virus tropism", a chimera PV, in which PV IRES is replaced by hepatitis C virus (HCV) IRES, was constructed. The chimera virus was examined for its replication ability in the liver and the central nervous system (CNS) of poliovirus-sensitive transgenic mice. Replication rate of the chimera virus was compared with that of the parental PV. The results have suggested that PV IRES works both in the liver and CNS, and that HCV IRES works in the liver but not in the CNS.
We demonstrated that interaction of the cytoplasmic domain (cyto) of human PV receptor (hPVR) with cytoplasmic dynein light chain 1 may have an important role in retrograde axonal transport of PV. To identify key amino acids of hPVR-cyto involved in the interaction, a … More series of deletion mutants of hPVR-cyto were constructed and tested for their binding activity to dynein molecule. The results suggested that N-terminal 20 amino acids of hPVR-cyto were essential for the interaction.
The hPVR has been thought to have a dual function, that is, binding ability to PV and conformation alteration ability of PV particle. To know how these two abilities contribute to establishment of PV infection, mouse cell line expressing Fcγ receptor was established and named LmFcRI cell line. As mediators of PV and LmFcRI cells, several anti-PV monoclonal antibodies and PVR-IgG2a which is a fusion protein of the extracellular domain of hPVR and Fc portion of mouse IgG2a was used. The results have suggested that binding of PV on the cell surface induces PV infection at very low level, and that specific interaction of hPVR with PV affords a high level of infectivity to PV. This enhancement of infectivity induced by hPVR may be essential for establishment of PV infection in a whole body. Less

  • Research Products

    (14 results)

All Other

All Publications (14 results)

  • [Publications] Minetaro Arita: "Interaction of poliovirus with its receptor affords a high level of infectivity to the virion in poliovirus infections mediated by the Fc receptor"J.Virol.. 73(2). 1066-1074 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Kazuko Shiroki: "Intracellular redistribution of truncated La protein produced by poliovirus 3C^<pro>-mediated cleavage"J.Virol.. 73(3). 2193-2200 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Toshihiko Ishii: "Identification of a new element for RNA replication within the internal ribosome entry site of poliovirus RNA"J.Gen.Virol.. 80(4). 917-920 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Minetaro Arita: "Multiple pathways for establishment of poliovirus infection"Virus Res.. 62. 97-105 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Takeshi Isoyama: "Lower concentration of La protein required for internal ribosome entry on hepatitis C virus RNA than poliovirus RNA"J.Gen.Virol.. 80(9). 2319-2327 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Qingmei Jia: "Isolation and molecular characterization of a poliovirus type 1 mutant that replicates in the spinal cord of mice"J.Virol.. 73(7). 6041-6047 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Shusuke Kuge: "Redox Regulation of Cell Signaling Its Clinical Application"Marcel Dekker,Inc.. 328 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Arita, M., Horie, H., Arita, M., and Nomoto. A.: "Interaction of poliovirus with its receptor affords a high level of infectivity to the virion in poliovirus infections mediated by the Fc receptor"J. Virol.. 73(2). 1066-1074 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Shiroki, K., Isoyama, T., Kuge, S., Ishii, T., Ohmi, S., Hata, S., Suzuki, K., Takasaki, Y., and Nomoto, A.: "Intracellular redistribution of truncated La protein produced by poliovirus 3CPRO-mediated cleavage"J. Virol.. 73(3). 2193-2200 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Ishii, T., Shiroki, K., Iwai, A., and Nomoto, A.: "Identification of a new element for RNA replication within the intenal ribosome entry site of poliovirus RNA"J. Gen. Virol.. 80(4). 917-920 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Arita, M., Onka, S., and Nomoto, A.: "Multiple pathways for establishment of poliovirus infection"Virus Res.. 62. 97-105 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Isoyama, T., Kamoshita, N., Yasui, K., Iwai, A., Shiroki, K., Toyoda. H., Yamada, A., and Nomoto, A.: "Lower concentration of La protein required for internal ribosome entry on hepatitis C virus RNA than poliovirus RNA"J. Gen. Virol.. 80(9). 2319-2327 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Jia, Q., Onka, S., Iwasaki, K., and Nomoto, A.: "Isolation and molecular characterization of a poliovirus type 1 mutant that replicates in the spinal cord of mice"J. Virol.. 73(7). 6041-6047 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Kuge, S., Nomoto, A., and Jones, N.: "Regulation of yAP-1 nuclear localization in response to oxidative stress"In Redox Regulation of Cell Signaling and Its Clinical Application, Lester Packer, Junji Yodoi, eds., Marcel Dekker, Inc., New York, Basel. 73-84 (1999)

    • Description
      「研究成果報告書概要(欧文)」より

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Published: 2001-10-23  

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